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TX-SR507
Ref. No. 4121
04, 2009
SERVICE MANUAL
AV Receiver
MODEL TX-SR507(B/S/G)
RC-737M
TX-SR507 Black, Silver and Golden models
B MDC, B MDD, S MDD, B MDF, G MDF 120V AC, 60Hz
B MPP, B MPB, S MPP, S MPB 230V AC, 50Hz
B MPA, S MPA
B MMO, S MMO, B MMQ, G MMR 220/230-240V AC, 50/60Hz
SAFETY-RELATED COMPONENT
WARNING!!
COMPONENTS IDENTIFIED BY MARK ON THE
SCHEMATIC DIAGRAM AND IN THE PARTS LIST ARE
CRITICAL FOR RISK OF FIRE AND ELECTRIC SHOCK.
REPLACE THESE COMPONENTS WITH ONKYO
PARTS WHOSE PART NUMBERS APPEAR AS SHOWN
IN THIS MANUAL.
MAKE LEAKAGE-CURRENT OR RESISTANCE
MEASUREMENTS TO DETERMINE THAT EXPOSED
PARTS ARE ACCEPTABLY INSULATED FROM THE
SUPPLY CIRCUIT BEFORE RETURNING THE
APPLIANCE TO THE CUSTOMER.
TX-SR507/SR577/DTR-20.1
DEBUG MODE-1
DSP DEBUG MODE-1/3
The operations of DSP and DIR etc are able to be checked by the information displayed on FL with this debug mode.
This information will help to analyse no sound trouble of digital audio.
To set in Debug Mode and exit
1. Press and hold down DISPLAY button, then press ON/STANDBY button while the unit is powered on.
The version number of microprocessor will be displayed.
M:1 .04/0 9 3 2 3 a Version of Main Microprocessor F/W
*Number depends on the version.
2. Then press + (TONE) button, the version number of DSP will be displayed.
D:1.0 1 /09227a 6 7 Version of DSP F/W
*Number depends on the version.
3. Press DISPLAY button while the DSP version is displayed. The status of DSP and DIR etc will be displayed.
0 A 4 8 K 0 N/0 FF P o 0
4. Press ON/STANDBY button to exit.
Content of Display
FL Display
1 2 3 4 5 6 7 8 9 10 11
1 DIR Input Lock / Unlock 4 Sampling Frequency, Emphasis
E = UNLOCK 32K = 32 kHz without Emphasis
= LOCK 44K = 44.1 kHz without Emphasis
48K = 48kHz without Emphasis
2 DIR Input RX 64K = 64 kHz
0 = None 88K = 88.2 kHz
1 = COAXIAL 1 96K = 96 kHz
2 = COAXIAL 2 176 = 176.4 kHz
3 = OPTICAL 1 192 = 192 kHz
4 = OPTICAL 2 32e = 32 kHz with Emphasis
5 = FRONT OPTICAL 44e = 44.1 kHz with Emphasis
8 = HDMI 1 48e = 48 kHz with Emphasis
9 = HDMI 2
5 DIR Detect Type
3 DIR/ ADC Fix Mode 0 = Analog
D = Digital(SPDIF) 1 = PCM
A = Analog 2 = Not PCM
M = Analog Multich 3 = Data
p = PCM Fixed 4 = DTS CD (Not used)
d = DTS Fixed 5 = Multichannel
6 = Not Decided
6 CODEC Clock Mode
N = Normal
U = Up Sampling
H = High Sampling (Double Rate)
D = Down Sampling
Q = Quad Rate
TX-SR507/SR577/DTR-20.1
DEBUG MODE-2
DSP DEBUG MODE-2/3
Content of Display (Continued)
7 DSP Port Status 10 DSP Decode
This figure is displayed in hexadecimal form. o = Decode OK
If this is transformed to binary form, each bit indicates x = Decode NG
the following DSP port status. Refeo to .
bit 0 = NIC (Normal state) 11 Mute output device
bit 1 = DEC This figure is displayed in hexadecimal form.
bit 2 = BUSY (Abnormal state) If this is transformed to binary form, each bit indicates
bit 3 = Exec Wait the IC which outputs error to microprocessor, which output
Audio Mute. Refer to .
8 DSP Sequence
00 - FE = Not Free
2D = Mute control Transform
FF = Free Hexadecimal Binary
0 = 0 0 0 0
9 DSP Detect Format
P = PCM (Analog) 1 = 0 0 0 1
D = Dolby Digital 2 = 0 0 1 0
d = DTS
A = AAC 4 = 0 1 0 0
S = DSD 8 = 1 0 0 0
p = Dolby Digital+
T = TrueHD bit 0: Selector IC (Q5501)
H = DTS-HD High Resolution bit 1: Effector
M = DTS-HD Master Audio bit 2: DSP (Q201)
? = Unknown Format bit 3: DIR (Q301)
Troubleshoot by DSP DEBUG MODE
1. This debug mode will be useful in digital audio no sound or sound drop-out trouble.
2. Check information on FL display, then identify bad parts, and replace or resolder it.
3. Remdies Written below are of typical case. So, more detailed check may need in actual cases.
4. Before replace ICs below, resolder the pins first to save resources.
NOTE
Function Circuit No. Schematic Diagram
MPU (Main microprocessor) Q701 PART-5
DSP Q201 PART-13
DIR and DAC Q301 PART-5
Flash ROM Q282 PART-13
SDRAM Q281 PART-13
Audio processor (Selector/ Volume) Q5501 PART-3
Digit No.
Symptom on FL Display Cause of Trouble Remedy
on FL
1 "E" is displayed No input signal to DIR. 1. Find out which digital input does not work.
2. Confirm where the digital waveform stops
between the digital input and DIR.
3. Resolder pins of the bad part or replace it with
new one.
4 Displayed sampling frequency No input signal to DIR. The same as above.
is different from input signal.
9 Displayed audio format is No input signal to DIR. The same as above.
different from input signal.
TX-SR507/SR577/DTR-20.1
DEBUG MODE-3
DSP DEBUG MODE-3/3
Troubleshoot by DSP DEBUG MODE (Continued)
Digit No.
Symptom on FL Display Cause of Trouble Remedy
on FL
7 Continue to display "1" Interface between DSP and MPU is no good. The same remedy as 10 -b.
Continue to display "2" Connection from DIR to DSP is no good. The same remedy as 9 .
Continue to display "3" to"7" Interface between DSP and MPU is no good. The same remedy as 10 -b.
Continue to display "8" to "F" DSP Sequence is no good. Check 8 items.
8 03"
Continue to display "03 Communication between DSP and MPU 1. The same remedy as 10 -b.
is no good. 2. Check the voltage of the power supply pin
of DSP.
3. Check the reset port and clock input of DSP by
oscilloscope, and find out bad part.
4. Flash ROM firmware is no good. Update.
5. DSP or MPU is broken. Replace MPU.
DSP is impossible to replace, so replace with
a new PC board.
05"
Continue to display "05 Writing from MPU to DSP is no good. 1. Flash ROM firmware is no good, update.
2. Check DSPSDO pin of MPU by oscilloscope.
If no signal, find out bad part connected.
3. Flash ROM or SDRAM is no good, replace.
4. DSP or MPU is broken, replace it by the same
method as above 5.
09"
Continue to display "09 to DSP program does not run properly. 1. Flash ROM firmware is no good, update.
0C"
"0C Flash ROM or SDRAM is no good. 2. Flash ROM or SDRAM is broken, replace.
17"
Continue to display "17 The unit was powered off during DSP Initialize the unit.
firmware updating. (Press ON/STANDBY button while pushing
VCR/DVR button when the unit is powered on.)
21",
Display "21 then return and DSP program does not run properly. 1. Flash ROM firmware is no good, upgrade.
signal format indicator is Flash ROM or SDRAM is no good. 2. Flash ROM or SDRAM is broken, replace.
flashing.
22"
Continue to display "22 to DSP program does not run properly. 1. Flash ROM program is no good, upgrade.
24", 30"
"24 or "30 to "33 33". Or audio clock to DSP is no good. 2. Flash ROM or SDRAM is broken, replace.
3. Check DSP drive clock freq. by oscilloscope.
If no signal, find out bad part connected.
4. Check audio clock to DSP by oscilloscope.
If no signal, find out bad part connected.
26"
Continue to display "26 to DSP setting is failured. 1. Flash ROM firmware is no good, upgrade.
2F"
"2F 2. Flash ROM or SDRAM is broken, replace.
9 Displayed audio encoding Input signal to DSP is no good. 1. Confirm where the digital waveform stops
format is different from input between DIR and DSP by oscilloscope.
signal. 2. P8001, P8002 may relate.
3. Resolder pins of the bad part or replace it with
new one.
10 "x" is displayed. a. No input signal to DSP. The same as above.
b. Interface between DSP and MPU is 1. Confirm where the digital waveform stops
no good. between MPU and DSP by oscilloscope.
2. P8001, P8002, P8003 may relate.
3. Resolder pins of the bad part or replace it with
new one.
11 This identifies IC which outputs The IC outputs error to MPU. Replace the IC chip.
error to microprocessor. DSP is impossible to replace, so replace with a
new PC borad.
TX-SR507/SR577/DTR-20.1
DEBUG MODE-4
SERVICE INFORMATION DISPLAY MODE
This Service Information Display Mode is helpful in analyzing the final
status when the unit goes into Protect mode and is powered off.
Pay attention that the status will change if a button is pushed.
1. Press and hold down DISPL Y button, then press ON/ ANDBY button while the unit is powered on.
DISPLAY ON/STANDBY
The version of main microprocessor will be displayed.
M:1.0 4 /09 3 2 3 a Version of Main microprocessor
The displayed number depends on version.
2. Then press SETUP button, the following informations will be displayed.
- 80 F 27 30
Power-off Cause Temperature Volume Level Listening Mode
P : Protect xx F or xx C yy zz ---> Refer to the code list below.
- : Other
Listening Mode Code List
Code Listening Mode Code Listening Mode Code Listening Mode
01 Pure Audio 26 Neo:6 Cinema 30 DTS-HD High Resolution
02 Direct 27 Neo:6 Music 30 DTS-HD Master Audio
03 Stereo 28 Neural Surround 30 DSD
04 Mono 40 PLII Movie THX 39 +PLIIx Movie
07 Mono Movie 41 PLIIx Movie THX 3A +PLIIx Music
09 Orchestra 42 Neo:6 Cinema THX 38 Dolby EX
0A Unplugged 43 PLII Movie THX Games 37 +Neo:6
0B Studio-Mix 44 Neo:6 Cinema THX Games 31 DTS Matrix
0C TV Logic 29 Neural-THX 31 DTS Discrete
0D All CH Stereo 30 Dolby Digital 50 THX Cinema
0E Full Mono 30 DTS 58 THX Surround EX
0F PLII Movie T-D 3B DTS96/24 5C THX Ultra2 Cinema
20 PLII Movie 30 AAC 5D THX Music Mode
21 PLII Music 30 MultiCh 5E THX Games
22 PLII Game 30 Dolby Digital Plus 59 +PLIIx Movie THX
23 PLIIx Movie 30 Dolby TrueHD 57 +Neo:6 THX
24 PLIIx Music 3D +Neural-THX
25 PLIIx Game 51 DTX Matrix THX
52 DTS Discrete THX
3. Press SETUP button again. The following information are displayed.
0 1 :23 10 h o u r
Time after Power on Time after Initialize
xx : xx xx hour
4. Press RETURN button. The information will be cleared.
P rote ctData CL R
TX-SR507/SR577/DTR-20.1
DEBUG MODE-5
HDMI DEBUG MODE-1/2
HDMI-related operations can be checked to some extent by displaying HDMI Debug Mode.
If a trouble of HDMI video occurs, first display this mode and try to find out the cause and remdy.
To enter this mode
Hold down DISPLAY button for 3 seconds. Information display will last for about 8 seconds.
Segment No. of FL Display
FL Display
FL segment No. ---> 0 1 2 3 4 5 7 6 8 9 10 11 12 13 14
Input/Output State and Example of FL Display
Video Input Format Status Description FL segment No. ---> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Normal Source Description ---> Input Resolution i/p/I/P Frame Rate Output Resolution i/p/I/P
Video Formats Source Device Video Format : OK, Display --->
Sink Device EDID : OK (Example)
Normal State
Source Device Video Format : OK
Sink Device Hot plug : Low
Error State ---> Remedy 1
Source Device Video Format : OK
Sink Device HDCP Authentication : Fail
Error State ---> Remedy 2 Blinks
Source Device Video Format : OK
Sink Device Resolution : Error
Error State ---> Remedy 3 Error mark
Source Device Video Format : OK
Sink Device EDID Reading : Error
Error State ---> Remedy 4 Error mark
Source Device Video Format : OK
Sink Device :
Busy(Cannot accept HDMI signal) Error mark
Error State ---> Remedy 5
Description ---> Input Resolution i/p/I/P Frame Rate Output Resolution i/p/I/P
Progressive/ Interlace i/p/I/P
i : HDMI, Interlace
p : HDMI, Progressive
I : DVI, Interlace
P : DVI, Progressive
Frame Rate
/6 : 60 frame/sec
/5 : 50 frame/sec
Video signal input
: Analog input
: HDMI input
TX-SR507/SR577/DTR-20.1
DEBUG MODE-6
HDMI DEBUG MODE-2/2
Input/Output State and Example of FL Display(Continued)
Video Input Format Status Description FL segment No. ---> 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14
Description ---> Input Input i/p/I/P Frame Rate
Horizontal Resolution Vertical Resolution
Source Video Format: Source Device PC Video Format : OK,
PC Format Sink Device EDID : OK
Normal State
Source Device PC Video Format : OK,
Sink Device Hot plug : Low
Error State ---> Remedy 8 Error
Source Device PC Video Format : OK,
Sink Device HDCP Authenification : Fail
Error State ---> Remedy 9 Blinks
Source Device PC Video Format : OK,
Sink Device EDID Reading : Error
Error State ---> Remedy 10 Error mark
VGA input via DVI-HDMI conversion cable
Normal State
VGA input via HDMI cable
Normal State
NOTE:
1. 1920x1080/24Hz can be displayed in Through Mode only.
2. 640x480p/60 is displaed as "VGA" instead of itself.
Remedy for Error State
Remedy No. Remedy
1 The most possible cause is the hardware trouble of Sink device. Fix it.
2 Refer to HDCP and Authentification error in "DEBUG MODE-7". Follow the procedure.
3 Refer to Resolution error in "DEBUG MODE-7". Follow the procedure.
4 Refer to EDID error in "DEBUG MODE-7". Follow the procedure.
5 Check other HDMI Inputs of AV receiver. If NG, the most possible cause is the hardware trouble of Sink device. Fix it.
8 The most possible cause is the hardware trouble of Sink device. Fix it.
9 The same as 2 .
10 The same as 4 .
TX-SR507/SR577/DTR-20.1
DEBUG MODE-7
HDMI TROUBLESHOOT-1/3
HDMI VIDEO SETUP TROUBLE
1. This troubleshoot focuses on the video setup errors regarding HDMI.
2. For reference, read TX-SR507/SR577/DTR-20.1 Owner's Manual.
3. Analysis written below is of typical cases.
So, more detailed check may need in actual cases because of multiple
hardware and software causes.
4. As for TX-SR577 and DTR-20.1, the procedure below is the same as
TX-SR507 except model name.
Video trouble
No picture Bad picture
No picture
"Resolution Picture is OK "No HDCP Push
when HDCP- "No signal" is
Display HDMI Error" is if player is support" is DISPLAY HDMI cable is Only 1080p is Picture is not
capable DVD displayed Bad aspect Bad color
DEBUG MODE displayed connected displayed button for NG or too long not displayed right
or BD disc is on FL
on FL directly to TV on FL 3 sec.
played
Resolution or Player is not Confirm and
Set manually
Check aspect of TV EDID error HDCP-capable "Unknown" Change to a Set TX-SR507's change
TV is not TV does not the aspect
Information and player is between TV or has special is displayed short HDMI Player is PC x.v.Color setting the TV setup
HDCP-capable support 1080p setting of
on FL different from and player HDCP authentic on FL cable to disable (2) to match
player
each other procedure the player
Change Change player's Rare case for Change player The resolution Change Confirm and
settings of TV, this model. Use Component change
resolution or or consult with Authentic No signal from is not resolution setting
player or Feedback to Video instead the player
aspect to TV's the player error player supported by of player to
TX-SR507 Technical of HDMI setup to
capability maker HDMI 1080i or less
Support Devi. match the TV
Example: Check player's Change Change
Use Component
Samsung setting and PC setting to TX-SR507's
Video instead
DVD-HR737 HDMI cable HDMI supported HDMI resolution
of HDMI
connection resolution to Through(1)
(1) Refer to Instruction Manual page 83 (English version)
Resolution : Through.
(2) Refer to Setup Menu 7-3. HDMI
x.v.Color : Disable.
TX-SR507/SR577/DTR-20.1
DEBUG MODE-8
HDMI TROUBLESHOOT-2/3
HDMI AUDIO SETUP TROUBLE
1. This troubleshoot focuses on the audio setups and
connections regarding HDMI.
2. For reference, read TX-SR507/577/DTR-20.1 Owner's Manual.
3. Analysis written below is of typical cases.
So, more detailed check may need in actual cases
because of multiple hardware and software causes.
4. As for TX-SR577 and DTR-20.1, the procedure below is the
same as TX-SR507 except model name.
Audio trouble
No sound Bad sound
Short sound
The Input assigned No sound on Sound not on Sound drop
No digital audio drop at
to HDMI is not specific AV speakers during music
signal into HDMI the beginning
selected now channnel but on TV playback
of music
Check HDMI
No sound on HDMI takes
Change to the Check the digital Control (CEC) STB is YAGI
Check speaker specific channels longer time in TV is in
input assigned audio output setting of DTC10 or
config. according to identifying Standby Mode
to HDMI setting of player TX-SR507 compatibles
listening mode audio format
and TV
Confirm again Change the Change all Check the support Change CEC This STB does
TX-SR507's digital audio speakers tables of settings of Power on TV not comply
Input Assign connected to Listening mode / Normal TX-SR507 with HDMI
output to HDMI or enable iLINK
1-1. HDMI "Yes" Audio format and TV clock system
in TX-SR507
owner's manual
Change STB or
Example :
consult with
Hitachi TV
STB maker
TX-SR507/SR577/DTR-20.1
DEBUG MODE-9
HDMI TROUBLESHOOT-3/3
HDMI HARDWARE TROUBLE
NOTE: Main Device (IC)
1. This troubleshoot focuses on the HDMI hardware troubles. Circuit No. Function Description
2. For details, refer to TX-SR507/577/DTR-20.1 Block Diagrams
Q701 Main microprocessor MPD70F3746
and Schematic Diagrams.
Q8501 HDMI Receiver SiI9233ACTU
3. Analysis written below is of typical cases.
Q8401 HDMI Transmitter SiI9134
So, more detailed check may need in actual cases
because of multiple hardware and software causes.
4. Before replace IC or pcb below, resolder the pins in order
to save resources.
5. As for TX-SR577 and DTR-20.1, the procedure below is
the same as TX-SR507 except model name.
HDMI no picture
or dropout trouble
Check video Only HDMI IN 1, HDMI IN1 to Up-conversion from Display HDMI
version IN 2, IN 3 or IN 4 IN4 all analog video to HDMI DEBUG MODE
no output no output is NG
Version is not Latest Path from This model is not
Old version Related pin of The HDMI IN Check Information
displayed version HDMI IN Q8501 is NG Up-conversion
Q8501 is NG terminal is NG on FL display
terminal to featured
Q8501 is NG
Update to the
Q701 is NG
latest version Impossible to Replace Resolder the Check power Refer to DEBUG
replace Q8501 the HDMI IN pins of the parts supply pin of MODE-5, 6
terminal from HDMI IN Q8501
terminal to Q8501
OK NG
According to each
Check the remedy, solve the
power supply Replace Confirm waveform problems
HDMI Board is viewable by Impossible to Check the power
pin of Q701 replace Q8501
BAHDM-0060 oscilloscope supply circuit
from HDMI IN for Q8501
terminal to Q8501
Check +3.3V Find out bad
Replace Replace
power supply part and
Q701 HDMI Board
circuit replace it BAHDM-0060
Check P-OFF pins Check RESET pin
#18 and #98 of Q701. #14 of Q701.
They must be "high" It moves High -->
Low --> High after
powered on.
TX-SR507
A354
x 8 pcs.
EXPLODED VIEWS-1
A350
U004
only P901
A103 A105
x 7 pcs. x 29 pcs. A069 A360
A056 A342(Black model)
U0021 A344(Silver model)
A017 x 7 pcs.
A070
P101
U010 U002
U0032
A021 See in A340
x 2 pcs. EXPLODED VIEWS-3 A362
F6902 U0015 A042
A101 x 2 pcs.
U005 F6901 A036 A044
x 2 pcs.
U001
A023 A034 See in
U0014 EXPLODED VIEWS-2
A054 A262
A025
x 4 pcs. A058 A038 U0013
F901
x 2 pcs. A264
F901C U0012 A036
U0011 x 2 pcs.
A030
A040
U0033 T901 A032 A258
x 2 pcs.
A001
A040
A013 x 2 pcs.
x 2 pcs. A258
A003 A011 x 2 pcs. A260
x 4 pcs. A009 x 3 pcs.
A015 x 3 pcs.
A007
TX-SR507
x 4 pcs.
A005 A019 A256 A040
x 4 pcs. A010 U0034
TX-SR507
EXPLODED VIEWS-2
P701
A225
x 27 pcs.
U003
A238
x 2 pcs.
A232
x 5 pcs. A230
A236
A219
A201
A250
U0031 A221 A215
A217
A330
A213
A238
x 2 pcs. A234
A207 A202
TX-SR507
TX-SR507
EXPLODED VIEWS-3
Q6050B
x 3 pcs.
A050
x 14 pcs.
Q6056
Q6066
Q6055
Q6065
Q6051
Q6061
Q6050
Q6060 Q6050A
Q6052 x 4 pcs.
Q6062
TX-SR507
TX-SR507/SA507/SR577/HT-R670
A B C D E F G H I J K
BLOCK DIAGRAMS-1 / PART-1
AUDIO SECTION
1 TUNER UNIT Q5501 R2A15218FP Audio Processor (Input Selecter, Volume, Tone Control)
12 1
UNIVERSAL PORT EXCEPT TX-SA507
24 13
SIRIUS ANATENA HEADPHONES
85 23 FL
DD/DC ONLY
TONE
POWER AMPLIFIER
MAIN R
MAIN L
SUB L
SIRIUS
86 24
AUDIO MUTING SPEAKER TERMINALS
SIRIUS FL 94
SUBR
82
+29dB
INVERTING
55
43 FRONT LEFT
MIC AMP 21 FR
SETUP MIC Q7401
81 TONE
54 FR 93
(FRONT IN)
2 MIC DET
INVERTING
20 +29dB
73
42 FRONT RIGHT
PORTABLE
(STEREO MINI JACK 72 CEN 95
FRONT INPUT) 17 C
+29dB
L 38 CENTER
78
L 18 TX-SR577 TX-SR507/TX-SA507
AUX IN HT-R670 ONLY